/**
 * Copyright 2019-2020 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef FUSION_ENGINE_OPTIMIZER_GRAPH_OPTIMIZER_GRAPH_FUSION_FUSION_PASS_MANAGER_BUILTIN_PASS_NODE_OPTIMIZE_COMMON_NODE_OPTIMIZE_UTILS_H_
#define FUSION_ENGINE_OPTIMIZER_GRAPH_OPTIMIZER_GRAPH_FUSION_FUSION_PASS_MANAGER_BUILTIN_PASS_NODE_OPTIMIZE_COMMON_NODE_OPTIMIZE_UTILS_H_
#include <map>
#include <string>
#include <utility>
#include <vector>
#include "common/fe_log.h"
#include "common/fe_utils.h"
#include "graph/compute_graph.h"
#include "graph/utils/graph_utils.h"

namespace fe {
class NodeOptimizeUtils {
 public:
  static Status GetPreNode(const ge::NodePtr &node_ptr, const int &index, ge::NodePtr &pre_node_ptr);
};
}
#endif  // FUSION_ENGINE_OPTIMIZER_GRAPH_OPTIMIZER_GRAPH_FUSION_FUSION_PASS_MANAGER_BUILTIN_PASS_NODE_OPTIMIZE_COMMON_NODE_OPTIMIZE_UTILS_H_